|Noise Cancelling Width||20HZ-1KHZ|
Wireless freedom with Bluetooth technology—-Advanced bluetooth wireless technology enables you to connect to any bluetooth device within 10 meters, which can be used for MP3 or mobile devices. It has a 250mah battery that can operate at medium volume for 10 hours. It enables you to use the best bluetooth headset anytime and anywhere.
World-class Stereo — the distortion is minimal. Delivers deep, immersive sound at any volume, making them the best Bluetooth wireless headphones available.The mid and high ranges are also clear and balanced. Even you turn to the high volume, the distortion is minimal.Bring you world-class stereo.